Table 3.

Logistic regression and multivariate adjusted odds ratios of the cancer risk with different variables

Variable	Crude OR (95% CI)	Adjusted ORa(95% CI)
HIV
No	1	1
Yes	3.75 (2.86 ~ 4.93)**	3.89 (2.92 ~ 5.19)**
Age
≦24	1	1
25 – 44	3.44 (1.25 ~ 9.49)**	3.14 (1.12 ~ 8.83)*
45 – 64	12.09 (4.39 ~ 33.33)**	11.85 (4.18 ~ 35.57)**
≧65	23.21 (8.48 ~ 63.55)**	32.13 (10.78 ~ 95.75)**
Gender
Female	1	1
Male	0.72 (0.54 ~ 1.96)	1.45 (1.06 ~ 1.99)*
Monthly income
NTD 0 ~ 17280	1	1
NTD 17281 ~ 28800	0.54 (0.40 ~ 0.74)**	0.85 (0.60 ~ 1.19)
NTD ≥28801	0.35 (0.24 ~ 0.50)**	0.90 (0.58 ~ 1.41)
Urbanization level
1	1	1
2	1.23 (0.86 ~ 1.77)	1.11 (0.76 ~ 1.63)
3	1.05 (0.69 ~ 1.61)	0.93(0.59 ~ 1.45)
4	1.85 (1.22 ~ 2.82)**	1.44 (0.92 ~ 2.26)
5	0.91 (0.28 ~ 2.97)	0.46 (0.13 ~ 1.64)
6	1.14 (0.48 ~ 2.69)	0.63 (0.24 ~ 1.62)
7	2.52 (1.35 ~ 4.73)**	1.58 (0.79 ~ 3.18)
Modified Charlson score
0	1	1
1 ~ 5	2.63 (2.32 ~ 9.08)**	1.73 (1.45 ~ 3.62)**
≧6	11.96 (6.92 ~ 20.67)**	7.66 (4.83 ~ 13.4)**

*P < 0.05, **P < 0.001.

^a Adjusted with age, gender, income, urbanization, modified Charlson index.